What is the difference between ELCB and RCCB. Please define the working of both.

6 Answers  

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What is the use of starter in tube light fitting.how it works.

3 Answers   JSW,

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i have 400/230v transformer and didnt done the neutral eatrhing. i connected one lamp to one phase and neutral to the earth. but the lamp is not glowing. again i connected neutral to earth and repeated the same. then the lamp is glowing. in the first condition i tested with a line tester also, at that time the tesrer is glowing what is happening i dont know can any one help me?

1 Answers  

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what is the meaning of impedance protected in instrument cooling fan

0 Answers  

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What is the diffrence between ofline ups and online ups?

3 Answers   Intel,

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we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

1 Answers  

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can someone explain that how the speed of the protection system affects the fault level calculation?

0 Answers  

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What is the dimension of A4 sheet in mm?

6 Answers   Bhel,

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what about the power of wattmeter at starting and loding?

0 Answers   TATA,

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What is dynamo?How it works and what is the function of dynamo in a DG.

3 Answers   Amrapali,

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Differentiate AC and Dc resistance

0 Answers  

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WHAT IS THE SHOPE TESTING

2 Answers   TATA,

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